Pump-displacement volume is typically determined by gear size. The oil pumps below (left to right) represent two different displacements, as noted by the case size. For high-performance work, a steel ...

Some automotive parts require replacement more often than others, not necessarily because of bad design but because they live a hard life. In many decades of wrenching, I've never had to replace a ...

The words fuel and oil go hand in hand for 7.3L Power Stroke owners. They know all too well that anytime you upgrade the fuel side of the HEUI injection system, you'd better be ready to step up the ...

My wife has recently purchased a second-hand Mazda CX-5. We now have an oil pressure warning light (which sounds a serious problem) and despite two oil flushes it's still appearing. We are now being ...